Photo 1 of PumpMom-us 17mm and 19mm Oval Flanges Compatible with Spectra S2 S1 9 Plus Pump Parts, Replacement Breast Shield and Duckbill Valves for Spectra Flange Accessories (17mm + 19mm)

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Photo 1 of PumpMom-us 17mm and 19mm Oval Flanges Compatible with Spectra S2 S1 9 Plus Pump Parts, Replacement Breast Shield and Duckbill Valves for Spectra Flange Accessories (17mm + 19mm)Photo 2 of PumpMom-us 17mm and 19mm Oval Flanges Compatible with Spectra S2 S1 9 Plus Pump Parts, Replacement Breast Shield and Duckbill Valves for Spectra Flange Accessories (17mm + 19mm)